Most known and TOP quality modifications across the ARMA series.
Welcome to the official web page of ČSLA Studio.
We are the creators of successful modifications ČSLA and ČSLA 2 created for game Operation Flashpoint, ArmA:Armed Assault and Arma 2:Combined Operations.
18.01.2014 21:23 CET
CSLA Studio has set up own Twitch channel where you will be can see streaming from testing of addons, missions, or gameplay from our MP sessions with community.
So don't hesitate to click on the "Follow" button on our channel: www.twitch.tv/cslastudio.
We will inform about the upcoming streaming in advance, but its not excluded that you can see us on our channel also outside of these "official" events.
05.01.2014 16:07 CET
After the New year's eve we organized yet another MP community seance.
Also from this event you may see all the screens in dedicated album on our Facebook page.
25.12.2013 17:01 CET
After the Christmas eve we had organized another MP community seance called Christmas Shield 2013.
The call sing for this event was similar to the real army excercise of Warsaw pact armies.
You may see all the screens from this event in dedicated album on our Facebook page.
17.09.2013 21:39 CET
Brand new wallpaper with our newest and largest addon - fictious soviet submarine class Oscar II has been released.
This submarine has marking K-349 "Dnepr" and was created by our 3D/2D graphics "Master" Yano.
Wallpaper is free to use and its size is 1920x1080.
You can download it by clicking on the image with RMB (Save As...).
13.09.2013 17:01 CET
After the more than a one year of development, our huge project has been released.
Along with a campaign we released completely updated Mod with new models and features.
This release has marking v2.25 and you may find the link in the download section.
11.08.2013 11:09 CET
Short weekend meeting of ČSLA team members was organized in 10.-11.08.2013 as Faly came into Slovakia.
One of the checkpoints was also in KVH Piešťany were we meet with our military advisor SOVA.
16.05.2013 19:19 CET
Another unique battle was organized by the ČSLA Studio!
The latest multiplayer session between the community and us was organized on our local server with the selected community members.
And the result? ... no worry ... we WON again!
Watch the full in-game video here.
25.04.2013 21:51 CET
To inform the community about all possible features on addons available in our Mod, we started the recording of a series of webcasts.
This series will cover all the addons for all factions - ČSLA, AFMC and FIA.
Follow our channel on
Here are some direct links:
Webcast 1 (Vydra, SKOT, BRDM-2)
Webcast 2 (DANA, GRAD, mortar)
Webcast 3 (boat, Su-25, L-39)
Webcast 4 (riflemen and their weapons)
24.12.2012 12:59 CET
It's pleasure for us to inform the community about this new release.
Version 2.20 has been released as a complete package of all previously released versions and their updates.
And of course, this release contains a lot of new improvements addons, missions and other features.
19.10.2012 08:29 CET
From now, you can support your favourite MOD.
We created the PayPal account where all our fans can support us with variable amount of money.
These resources will be used for all required actions relevant to the ČSLA and their opponents and also for the promotional merchandise program.
20.07.2012 08:45 CET
Join us on the world largest database of MODs - MOD DB.
There is also possibility to track the popularity of your MOD. What's the status, you can see the actual rank on the updated linked button.
06.01.2012 22:31 CET
It's unbelievable, but it’s true.
We, the members of the ČSLA studio, are pursued for more than 10 years in creation, development and improvement of everything related to the Czechoslovak People's Army.
Our and of course yours MOD passed through these 10 years with huge modification.
It all began in Operation Flashpoint with simple retex of original models, when this MOD became as the first community modification.
His journey was continued with the expansion datadisc Resistance, then we passed with him throug all childhood illnessesin in ArmA:Armed Assault, and we prepared everything for the transfer to the Arma 2.
Now we finally celebrating today’s anniversary after 10 years in Arma 2:Combined Operations.
... and of course, we prepared also new version of the MOD - v2.10.
Go to the download section and select one of the assigned mirrors.
31.03.2010 10:29 CET
Here are some printings for your favourite MOD.
Download them as zipped archive which contains two localized covers and one unified disc printing.
24.01.2010 14:55 CET
Last Patch 1.04 for Phase 1 has been released.
Discover the new woodland RACS units or compare the new Lizard AA weapon with the american Vulcans.
10.08.2009 23:59 CET
New patch with marking v1.03 has been released.
Take cover soldier! Fulcrums and Hinds are searching their targets!
03.07.2009 15:03 CET
For new incoming patch v1.03 are now prepared choppers Mil Mi-24 Hind in three variants and two variants of powerful MiG-29A Fulcrum.
See more in our gallery.
30.05.2009 02:12 CET
Patched version v1.02 has been released as a new standalone Mod.
Find out new units, new SP and MP missions, new features and some tweaks...
28.05.2009 10:01 CET
Clean up your combat uniform, fill all magazines with ammo and connect to EPJ.CZ ArmA server for unique battle!
D-Day is assigned to 31.5.2009 from 16:00 CET.
We've been waiting for you!
For more info read here.
07.05.2009 09:11 CET
If you have purchased LEVEL mag no. 178 you have now a full game ArmA: Armed Assault which was attached on DVD together with ČSLA3 MOD and with some other MODs...
23.12.2008 23:59 CET
Wounded during fights in Warfare? No worry soldier!
Download latest released patch and use new feature - bandages. These are available for both sides together with few improvements...
13.12.2008 22:01 CET
Your patience has paid off soldier! The first part of the Mod is released, and so you can fight together with our comrades across the Sahrani. Have fun in the number of single player, Evo or Warfare missions...
Here you can find the download links for all relased Mods.
Select the mod according to your game and download the safe *.exe installer.
During the installation follow the instructions.
After downloading and installing don't forget to carefully read the attached ReadMe file.
In the case of any problems don't hesitate to contact us via all communicating channels.
You need to have installed both games - Arma2 and Arma2:OA to launch the MOD
Some missions required installed DLC AČR
ČSLA - v2.25 (*.exe, 1277 MB)
Some missions required installed datadisc Queens Gambit
Installing and patching procedure:
a) Download and install core package v1.02 of Phase 1 (this is complete Mod)
b) Then download and install patch v1.03
c) For the latest version download and install patch v1.04
ČSLA - patch v1.03 to v1.04 (*.exe, 89 MB)
ČSLA - patch v1.02 to v1.03 (*.exe, 78 MB)
ČSLA - v1.02 (*.exe, 307 MB)
DVD cover (*.zip, 6 MB)
You need to have installed also datadisc Resistance.
ČSLA - v2.20 (*.exe, 444 MB)